. ♪ >>> tomorrow the reverend jesse jackson is going to be outfront to talk about the president's handling of gun violence in chicago. going to be an important and significant interview, given that on friday the president will be in chicago, a city plagued with some of the worst gun violence in the country. thanks for watching. as always, "anderson cooper 360" starts right now. >> good evening, everyone. welcome to a special day of "ac 360." every moment that mattered, the terror he inflicted to the flames that consumed his body. how authorities cornered him and why they failed to find him sooner. you're going to hear from the man who came face to face with the business-like dorner as he describes what might have been a fatal encounter on a lonely road just moments before gunshots erupted. later in the program, the empathy that's shocking to many but not to some for the allegations of institutional racism that dorner made bens the lapd. we'll talk to an ex-lapd officer who is horrified by what happened but not surprised. >>> federal, state and local authorities have been briefing reporters